Weather forecast for tomorrow
Charleston, IL

Weather forecast for tomorrow

Thursday, Jun 19.

Partly Cloudy
5:23 am

8:24 pm
CDT
Partly Cloudy
82°F / 64°F
  • Wind: 11mph NW
  • Humidity: 68%
  • Precip. probability: 21%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, on Thursday, expect a mix of sun and clouds throughout the day.
The temperature will vary between a maximum of a moderately hot 82.4°F and a minimum of a breezy 64.4°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at a humid 86°F. Note that heat index values are valued for light wind and location in the shade.
The anticipated maximum temperature will closely reflect June's average high of 81.1°F.
Sunrise will be at 5:23 am and sunset at 8:24 pm; tomorrow's daylight will last for 15h and 1min.

Frequently asked questions

What is the weather forecast for Charleston for tomorrow?
On Thursday, in Charleston, intermittent cloud cover is expected, allowing for some sunshine.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 82.4°F, while the minimum temperature will be 64.4°F. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 86°F.
The highest temperature will be in line with the average maximum of 81.1°F in June. The lowest temperature will be also in line with the average low of 64.2°F.
What time are sunrise and sunset tomorrow?
On Thursday, in Charleston, sunrise will be at 5:23 am and sunset at 8:24 pm (CDT).
How long will the day be tomorrow?
In Charleston, the length of the day tomorrow will be 15h and 1min.

Hourly weather forecast

12 am
  • 70°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph WSW
  • Pressure: 29.8"Hg
  • Humidity: 90%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 68°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph WSW
  • Pressure: 29.8"Hg
  • Humidity: 92%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 68°F
  • Feels like:
    70°F
Cloudy
Cloudy
  • Wind: 7mph W
  • Pressure: 29.8"Hg
  • Humidity: 94%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:23 am
6 am
  • 68°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph WNW
  • Pressure: 29.83"Hg
  • Humidity: 96%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 9mi
8 am
  • 70°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 9mph WNW
  • Pressure: 29.88"Hg
  • Humidity: 90%
  • Precip. probability: 17%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph NW
  • Pressure: 29.91"Hg
  • Humidity: 78%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 77°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph NW
  • Pressure: 29.91"Hg
  • Humidity: 65%
  • Precip. probability: 6%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph NW
  • Pressure: 29.94"Hg
  • Humidity: 57%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 82°F
  • Feels like:
    84°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph WNW
  • Pressure: 29.91"Hg
  • Humidity: 54%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WNW
  • Pressure: 29.94"Hg
  • Humidity: 54%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 77°F
  • Feels like:
    77°F
Sunny
Sunny
  • Wind: 4mph W
  • Pressure: 29.94"Hg
  • Humidity: 65%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:24 pm
10 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Wind: 2mph WSW
  • Pressure: 29.97"Hg
  • Humidity: 79%
  • Precip. probability: 4%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of primarily cloudy and occasionally damp and bright weather is predicted.
The temperature will vary between a minimum of 68°F and a maximum of 82.4°F. The warmest part of the day is anticipated around 4 pm.
The maximum temperature will be similar to June's average highest temperature of 81.1°F. The night temperature will be also consistent with the standard June low of 64.2°F.
Updated: Jun 18, 2025 @ 20:08:38 UTC
Published by: Weather U.S. | About Us
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